:root {
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #10b981;
    --danger-color: #ef4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* TELA DE LOGIN */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    margin-bottom: 8px;
}

.login-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* FORMULÁRIOS */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
    flex: 1;
}

.form-row {
    display: flex;
    gap: 16px;
}

label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

input, select {
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 6px;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--accent-color);
}

/* BOTÕES */
.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.2s;
}

.btn-primary { background-color: var(--accent-color); color: white; width: 100%; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-success { background-color: var(--success-color); color: white; }
.btn-danger { background-color: var(--danger-color); color: white; }
.btn-secondary { background-color: var(--border-color); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-group { display: flex; gap: 10px; }

.error-msg {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 12px;
}

/* DASHBOARD LAYOUT */
.topbar {
    background-color: var(--card-bg);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo { font-weight: bold; font-size: 1.2rem; }
.logo span { color: var(--accent-color); }

.content {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-card h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 8px; }
.stat-card p { font-size: 1.8rem; font-weight: bold; }

.actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* TABELA */
.table-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

th {
    color: var(--text-muted);
    font-weight: 500;
}

/* MODAL */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 32px;
    border-radius: 12px;
    width: 100%;
    max-width: 550px;
    position: relative;
    border: 1px solid var(--border-color);
}

.close-btn {
    position: absolute;
    top: 16px; right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}